computer science

Kojo (learning environment)

Kojo (learning environment) is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Kojo (learning environment) rather than just read about it. In short: Kojo is a programming language and integrated development environment (IDE) for computer programming and learning. It has many different features that enable playing, exploring, creating, and learning in the areas of computer programming, mental skills, (interactive) math, graphics, art, music, science, animation, games, and electronics.

Key takeaways

Kojo (learning environment) belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Kojo (learning environment) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Kojo (learning environment) from memory before moving on to harder problems.

Reference excerpt

Kojo is a programming language and integrated development environment (IDE) for computer programming and learning. It has many different features that enable playing, exploring, creating, and learning in the areas of computer programming, mental skills, (interactive) math, graphics, art, music, science, animation, games, and electronics. Kojo draws ideas from the programming languages Logo and Processing. Kojo is open-source software. It was created, and is actively developed, by Lalit Pant, a computer programmer and teacher living in Dehradun, India. Kojo is published by the Kogics Foundation, a nonprofit organization that was founded by Lalit. Kojo provides domain-specific languages (DSLs) for its different areas of learning, and as such can be considered an educational programming language. Kojo is written in, and its approach is based on, the programming language Scala, where users begin with a simple subset of the language and progress in steps. Its graphical user interface is based on Java Swing; a former version was based on the Java NetBeans platform. Lalit chose Scala as the underlying language for Kojo because of its low barrier to entry and potential power. Kojo has been used in schools and classes around the world. Some of these include:

The State of Goa, within its ICT/coding curriculum. Himjyoti School, Dehradun, India. Mondrian House School, Dehradun, India. Rishi Valley School, Madanapalle, India. Cardinal Forest Elementary School, Springfield, Virginia, USA. Diablo Valley College, Pleasant Hill, California, USA. Our Lady's Catholic High School, Preston, England. A Swedish 4th grade class consisting of 10-year-old children. Kojo has been featured by Dagens Nyheter (DN) and Computer Sweden as a result of the work done by this class. Events like Silicon Valley Code Camp, CoderDojo, Hack The Future, and Meetups. The development of Kojo is partly sponsored by Lightbend, formerly TypeSafe, and Lund University, Computer Science Department, where Kojo is used to introduce children and teachers to computer programming. Professor Björn Regnell of Lund University has an informative presentation on the subject. Professor Regnell writes, in translation: "Kojo is the best tool, with a low barrier of entry, I have seen for making real text based programming available for children, that is also usable all the way up to university level". Kojo provides rich support for programming and learning in the Turkish language as of the latest release in 2021 and beyond.

See also Thonny Microsoft Small Basic BASIC-256 Toolbox JUDO

References

Illustrations

Worked examples

Example 1 — a first encounter with Kojo (learning environment)

Start with the simplest possible case. Write down what Kojo (learning environment) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Kojo (learning environment) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Kojo (learning environment) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Kojo (learning environment)

In research: Kojo (learning environment) appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Kojo (learning environment) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Kojo (learning environment) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Educational software, Free software programmed in Scala, Indian inventions, so understanding it makes those chapters shorter.
In everyday life: Look for Kojo (learning environment) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Kojo (learning environment) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kojo (learning environment) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Kojo (learning environment) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kojo (learning environment) in simple terms?

Why does Kojo (learning environment) matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Kojo (learning environment)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Kojo (learning environment).